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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_TYPES_H_
#define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_TYPES_H_
#pragma once
#include <vector>
#include "base/file_path.h"
#include "base/linked_ptr.h"
#include "base/synchronization/lock.h"
#include "net/base/file_stream.h"
namespace net {
class IOBuffer;
}
// DownloadBuffer is created and populated on the IO thread, and passed to the
// file thread for writing. In order to avoid flooding the file thread with too
// many small write messages, each write is appended to the DownloadBuffer while
// waiting for the task to run on the file thread. Access to the write buffers
// is synchronized via the lock. Each entry in 'contents' represents one data
// buffer and its size in bytes.
struct DownloadBuffer {
DownloadBuffer();
~DownloadBuffer();
base::Lock lock;
typedef std::pair<net::IOBuffer*, int> Contents;
std::vector<Contents> contents;
};
// Holds the information about how to save a download file.
struct DownloadSaveInfo {
DownloadSaveInfo();
DownloadSaveInfo(const DownloadSaveInfo& info);
~DownloadSaveInfo();
DownloadSaveInfo& operator=(const DownloadSaveInfo& info);
FilePath file_path;
linked_ptr<net::FileStream> file_stream;
};
#endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_TYPES_H_
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